feat: guest user as tenant owner

Co-authored-by: Vincent L. <[email protected]>

Author: Xelzs

online-boutique-tenant/kustomize/tenant.yaml

@@ -6,7 +6,7 @@ metadata:
     app.kubernetes.io/type: prod
 spec:
   owners:
-  - name: demo
+  - name: oidc:[email protected]
     kind: User
   namespaceOptions:
     quota: 1